[
  {
    "question_id": "75b420ef374347c6aa42a9c223be3b24",
    "filename": "c_004.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the solution in the bottom layer of the separatory funnel?",
    "options": [
      "White",
      "Red",
      "Yellow",
      "Transparent"
    ],
    "answer": "A"
  },
  {
    "question_id": "d91454d98c614c3f9d7ac04021b76fec",
    "filename": "c_023.jpg",
    "question_type": "State Recognition",
    "question": "Is there liquid in the flask at the back left of the picture that is clamped with a green clip?",
    "options": [
      "Only a small number of droplets are attached to the flask wall",
      "Cannot tell from the image whether there is liquid",
      "There is liquid and a clear liquid surface is visible",
      "No liquid; the flask is empty"
    ],
    "answer": "C"
  },
  {
    "question_id": "b66229f434b04bf8a9803bf5d63ef148",
    "filename": "c_037.jpg",
    "question_type": "State Recognition",
    "question": "What are the liquids in the four round-bottom flasks in the back (from left to right)?",
    "options": [
      "From left to right: first has colorless, transparent liquid; second has brown liquid; third has pale yellow liquid; fourth is empty",
      "From left to right: first is empty; second has brown liquid; third has pale yellow liquid; fourth has colorless, transparent liquid",
      "From left to right: first has pale yellow liquid; second is empty; third has brown liquid; fourth has colorless, transparent liquid",
      "From left to right: first is empty; second has colorless, transparent liquid; third has pale yellow liquid; fourth has brown liquid"
    ],
    "answer": "B"
  },
  {
    "question_id": "b924384ef9c042ecb2e973565ee121b8",
    "filename": "c_025.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid in the flask secured to the green stand?",
    "options": [
      "Black",
      "White",
      "Yellow",
      "Red"
    ],
    "answer": "A"
  },
  {
    "question_id": "9e9032b92ef24cb08b2b4589abad1303",
    "filename": "c_035.jpg",
    "question_type": "State Recognition",
    "question": "Does the separatory funnel contain liquid?",
    "options": [
      "Yes",
      "No"
    ],
    "answer": "B"
  },
  {
    "question_id": "7fd58d79d3b54228b1fb89e88e1113e6",
    "filename": "c_036.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid the lab worker is pouring?",
    "options": [
      "Black",
      "Yellow",
      "Red",
      "White"
    ],
    "answer": "A"
  },
  {
    "question_id": "ea0743332b8348ac8cdd16935c796461",
    "filename": "c_050.jpg",
    "question_type": "State Recognition",
    "question": "What color is the liquid in the upper layer of the separatory funnel?",
    "options": [
      "White",
      "Transparent",
      "Blue",
      "Yellow"
    ],
    "answer": "A"
  },
  {
    "question_id": "331af8558c7a4ce4a4e6eca21d37a53b",
    "filename": "c_054.jpg",
    "question_type": "State Recognition",
    "question": "Approximately how much liquid is in the 50 mL Erlenmeyer flask in the image?",
    "options": [
      "10 mL",
      "20 mL",
      "30 mL",
      "40 mL"
    ],
    "answer": "B"
  },
  {
    "question_id": "8f5ec5cd38204ab388ed1604960fc6bd",
    "filename": "c_051.jpg",
    "question_type": "State Recognition",
    "question": "What state is the milky solid-liquid mixture in the separatory funnel on the left?",
    "options": [
      "Precipitate",
      "Suspension",
      "Emulsion",
      "Clear solution"
    ],
    "answer": "B"
  },
  {
    "question_id": "287b2471cf79442caf98a3c50718fab3",
    "filename": "c_085.jpg",
    "question_type": "State Recognition",
    "question": "What color is the liquid in the conical flask the researcher is holding?",
    "options": [
      "dark brown",
      "yellow",
      "blue"
    ],
    "answer": "A"
  },
  {
    "question_id": "eaeb8815573346c9af2fa6547540c9f0",
    "filename": "c_088.jpg",
    "question_type": "State Recognition",
    "question": "What color is the liquid in the flask clamped to the lab stand?",
    "options": [
      "dark green",
      "yellow",
      "black",
      "white"
    ],
    "answer": "A"
  },
  {
    "question_id": "f3626cc1cae941538cc391a69a4ae24f",
    "filename": "c_135.jpg",
    "question_type": "State Recognition",
    "question": "What color is the balloon on the left in the bottom-left picture?",
    "options": [
      "pink",
      "orange",
      "red",
      "blue"
    ],
    "answer": "C"
  },
  {
    "question_id": "d4a7f8d9b1d9433eb534038f9198bcd9",
    "filename": "c_027.jpg",
    "question_type": "State Recognition",
    "question": "Is there liquid in the round-bottom flask on the annular cork ring in the image?",
    "options": [
      "No liquid (flask is empty)",
      "Cannot determine from the image whether the flask contains liquid",
      "A distinct liquid surface is visible; the flask contains a substantial amount of liquid",
      "There is a small amount of clear liquid, but very little"
    ],
    "answer": "A"
  },
  {
    "question_id": "eabd51bc56b54d41b6bdf00055f3c795",
    "filename": "c_179.jpg",
    "question_type": "State Recognition",
    "question": "What color is the upper layer of liquid in the separatory funnel attached to the ring stand?",
    "options": [
      "yellow",
      "white",
      "transparent",
      "black"
    ],
    "answer": "C"
  },
  {
    "question_id": "a72c8736b3124a509a70eb25ee899ca8",
    "filename": "c_206.jpg",
    "question_type": "State Recognition",
    "question": "What color is the liquid in the graduated cylinder?",
    "options": [
      "orange",
      "yellow",
      "transparent",
      "Blue"
    ],
    "answer": "C"
  },
  {
    "question_id": "479e4a67800a4c7aa77b2921118e30e8",
    "filename": "c_218.jpg",
    "question_type": "State Recognition",
    "question": "What is the state of the substance in the beaker?",
    "options": [
      "Solid",
      "Suspension",
      "Liquid"
    ],
    "answer": "B"
  },
  {
    "question_id": "6c008c8d44bc44629b1114ea91ddd475",
    "filename": "c_229.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid in the Erlenmeyer flask?",
    "options": [
      "Black",
      "Yellow",
      "Blue"
    ],
    "answer": "A"
  },
  {
    "question_id": "5c33659057ed4e60addf23cd7996cd8e",
    "filename": "c_230.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid in the lower part of the separatory funnel?",
    "options": [
      "Transparent",
      "Blue",
      "Yellow",
      "White"
    ],
    "answer": "A"
  },
  {
    "question_id": "b40be86c214345c9b29c994f5d469242",
    "filename": "c_243.jpg",
    "question_type": "State Recognition",
    "question": "How many of the solutions in the glass test tubes are transparent?",
    "options": [
      "3",
      "4",
      "5",
      "6"
    ],
    "answer": "A"
  },
  {
    "question_id": "4e2ae74db88541b489f93fdc77562bba",
    "filename": "c_038.jpg",
    "question_type": "State Recognition",
    "question": "Has the liquid in the pear-shaped separatory funnel in the image begun to separate into layers?",
    "options": [
      "Partial layering has occurred but the interface is unclear; not fully separated",
      "Image lacks sufficient detail to determine whether layering has occurred",
      "Clear two-phase separation is visible, with a distinct interface",
      "Still a homogeneous mixture with no signs of layering"
    ],
    "answer": "C"
  },
  {
    "question_id": "1f36005af7324c4197019a00d7ae8782",
    "filename": "c_086.jpg",
    "question_type": "State Recognition",
    "question": "What color and state does the reagent in the round-bottom flask in the picture exhibit?",
    "options": [
      "Yellow liquid",
      "Yellow-green liquid",
      "Green liquid",
      "Colorless clear liquid"
    ],
    "answer": "B"
  },
  {
    "question_id": "b2141bfe4e114ab3a7c7f49c2d2e3c35",
    "filename": "c_333.jpg",
    "question_type": "State Recognition",
    "question": "What is the volume of the Erlenmeyer flask in ml?",
    "options": [
      "200",
      "300",
      "400",
      "500"
    ],
    "answer": "B"
  },
  {
    "question_id": "b6377e66685b4f69873d47c590d354a7",
    "filename": "c_348.jpg",
    "question_type": "State Recognition",
    "question": "Is the left Erlenmeyer flask filled with liquid?",
    "options": [
      "Yes",
      "No"
    ],
    "answer": "A"
  },
  {
    "question_id": "96d0d081465a4fc9af7f6c12933f97ad",
    "filename": "c_501.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid in the round-bottom flask?",
    "options": [
      "Orange",
      "Black",
      "Yellow"
    ],
    "answer": "B"
  },
  {
    "question_id": "d3770516f9e44b088992c7c16af3ac23",
    "filename": "c_504.jpg",
    "question_type": "State Recognition",
    "question": "How many bottles in the picture contain liquid?",
    "options": [
      "1",
      "2",
      "3",
      "4"
    ],
    "answer": "A"
  },
  {
    "question_id": "636bf93a9f1d47a8a8149cbfcfdef6bc",
    "filename": "c_514.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the top layer of liquid in the separatory funnel?",
    "options": [
      "Black",
      "Red",
      "Pink",
      "Blue"
    ],
    "answer": "A"
  },
  {
    "question_id": "567f37b9d45c45da842290185bb6de66",
    "filename": "c_516.jpg",
    "question_type": "State Recognition",
    "question": "What is the color of the liquid in the conical flask in the upper left?",
    "options": [
      "Dark Brown",
      "Yellow",
      "Orange",
      "Transparent"
    ],
    "answer": "A"
  },
  {
    "question_id": "849d371d18a94e69af7ca5820ee79789",
    "filename": "c_550.jpg",
    "question_type": "State Recognition",
    "question": "What is the state of the substance in the middle reaction flask?",
    "options": [
      "Solid",
      "Liquid",
      "Suspension"
    ],
    "answer": "B"
  },
  {
    "question_id": "576f9bab3b3541248c330aad5bbb80ce",
    "filename": "c_555.jpg",
    "question_type": "State Recognition",
    "question": "How many conical flasks in the figure contain pink liquid?",
    "options": [
      "2",
      "3",
      "4",
      "5"
    ],
    "answer": "C"
  },
  {
    "question_id": "3e19807dd8b1456b9ebd9cc73813b9da",
    "filename": "c_572.jpg",
    "question_type": "State Recognition",
    "question": "Approximately how many mL of liquid is in the volumetric flask on the left?",
    "options": [
      "700",
      "600",
      "500",
      "800"
    ],
    "answer": "A"
  },
  {
    "question_id": "60fa4ee24e994d5c855449a60af6f7f2",
    "filename": "c_581.jpg",
    "question_type": "State Recognition",
    "question": "Which sample bottle contains the lightest-colored liquid?",
    "options": [
      "25",
      "59",
      "65",
      "71"
    ],
    "answer": "C"
  },
  {
    "question_id": "70934e78deba4bf4a5b5344e87250c31",
    "filename": "c_039.jpg",
    "question_type": "State Recognition",
    "question": "Is there liquid in the Erlenmeyer flask on the left?",
    "options": [
      "Yes",
      "No"
    ],
    "answer": "A"
  },
  {
    "question_id": "ba96016636f04c0b94230dbad67a15a9",
    "filename": "c_041.jpg",
    "question_type": "State Recognition",
    "question": "What is the state of the substance in the round-bottom flask held by the experimenter?",
    "options": [
      "Liquid",
      "Solid",
      "Suspension",
      "Solid–liquid mixture"
    ],
    "answer": "D"
  },
  {
    "question_id": "5bd821869d2a4631b8f222c6347a782a",
    "filename": "c_057.jpg",
    "question_type": "State Recognition",
    "question": "What is the state of the substance at the bottom of the round-bottom flask held by the experimenter?",
    "options": [
      "Solid",
      "Liquid",
      "Solid–liquid mixture"
    ],
    "answer": "A"
  },
  {
    "question_id": "13ee4c5e96444aceaceb6d15f16d2e61",
    "filename": "c_003.jpg",
    "question_type": "State Recognition",
    "question": "In the test-tube rack on the right of the picture, do most visible test tubes contain liquid? If so, what color is it?",
    "options": [
      "Most test tubes are empty (no liquid)",
      "Most test tubes contain colored liquid",
      "The test tubes mainly contain cloudy white solids or precipitate",
      "Most visible test tubes contain a colorless, transparent liquid"
    ],
    "answer": "D"
  },
  {
    "question_id": "5a7b1723d8794474a4ae0e8eb364055b",
    "filename": "c_047.jpg",
    "question_type": "State Recognition",
    "question": "Is there liquid in the round-bottom flask on the right of the image?",
    "options": [
      "Only slight residual wetness inside the flask, no visible liquid",
      "Cannot determine whether there is liquid in the flask because the view is obstructed",
      "There is visible liquid in the flask",
      "The flask is completely dry with no liquid"
    ],
    "answer": "C"
  },
  {
    "question_id": "2ecb2b44bb78466196be7fea099c3eaa",
    "filename": "c_062.jpg",
    "question_type": "State Recognition",
    "question": "What is the volume (mL) of the Erlenmeyer flask containing a clear liquid?",
    "options": [
      "100",
      "200",
      "300"
    ],
    "answer": "B"
  },
  {
    "question_id": "bfc278ab6f7c4c7498314c43bfcae0e9",
    "filename": "c_031.jpg",
    "question_type": "State Recognition",
    "question": "What is the color and condition of the liquid in the round-bottom flask on the left that is supported by two metal stands?",
    "options": [
      "Pale yellow, cloudy liquid",
      "Colorless, transparent liquid",
      "Dark brown liquid containing a precipitate",
      "Pale yellow, clear liquid"
    ],
    "answer": "A"
  },
  {
    "question_id": "5a1ae91b186e4ac19c1aecfce8cb72de",
    "filename": "c_079.jpg",
    "question_type": "State Recognition",
    "question": "What is the state of the brown reagent in the separatory funnel in the picture?",
    "options": [
      "Homogeneous clear solution",
      "Clearly separated two-phase liquid",
      "Suspension",
      "Emulsion"
    ],
    "answer": "C"
  },
  {
    "question_id": "b4fd2976a5984437a181099525689aae",
    "filename": "c_122.jpg",
    "question_type": "State Recognition",
    "question": "Which glass bottle contains the darkest-colored liquid?",
    "options": [
      "the first on the right",
      "the second on the right",
      "the second on the left",
      "the third on the left"
    ],
    "answer": "B"
  }
]